
What We’re Looking For:
- Strong experience in Python (5+ years).
- Hands-on experience with any database (SQL or NoSQL).
- Experience with frameworks like Flask, FastAPI, or Django.
- Knowledge of ORMs, API development, and unit testing

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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Job title - Python developer
Exp – 4 to 6 years
Location – Pune/Mum/B’lore
PFB JD
Requirements:
- Proven experience as a Python Developer
- Strong knowledge of core Python and Pyspark concepts
- Experience with web frameworks such as Django or Flask
- Good exposure to any cloud platform (GCP Preferred)
- CI/CD exposure required
- Solid understanding of RESTful APIs and how to build them
- Experience working with databases like Oracle DB and MySQL
- Ability to write efficient SQL queries and optimize database performance
- Strong problem-solving skills and attention to detail
- Strong SQL programing (stored procedure, functions)
- Excellent communication and interpersonal skill
Roles and Responsibilities
- Design, develop, and maintain data pipelines and ETL processes using pyspark
- Work closely with data scientists and analysts to provide them with clean, structured data.
- Optimize data storage and retrieval for performance and scalability.
- Collaborate with cross-functional teams to gather data requirements.
- Ensure data quality and integrity through data validation and cleansing processes.
- Monitor and troubleshoot data-related issues to ensure data pipeline reliability.
- Stay up to date with industry best practices and emerging technologies in data engineering.
Role Overview
Join our core tech team to build the intelligence layer of Clink's platform. You'll architect AI agents, design prompts, build ML models, and create systems powering personalized offers for thousands of restaurants. High-growth opportunity working directly with founders, owning critical features from day one.
Why Clink?
Clink revolutionizes restaurant loyalty using AI-powered offer generation and customer analytics:
- ML-driven customer behavior analysis (Pattern detection)
- Personalized offers via LLMs and custom AI agents
- ROI prediction and forecasting models
- Instagram marketing rewards integration
Tech Stack:
- Python,
- FastAPI,
- PostgreSQL,
- Redis,
- Docker,
- LLMs
You Will Work On:
AI Agents: Design and optimize AI agents
ML Models: Build redemption prediction, customer segmentation, ROI forecasting
Data & Analytics: Analyze data, build behavior pattern pipelines, create product bundling matrices
System Design: Architect scalable async AI pipelines, design feedback loops, implement A/B testing
Experimentation: Test different LLM approaches, explore hybrid LLM+ML architectures, prototype new capabilities
Must-Have Skills
Technical: 0-2 years AI/ML experience (projects/internships count), strong Python, LLM API knowledge, ML fundamentals (supervised learning, clustering), Pandas/NumPy proficiency
Mindset: Extreme curiosity, logical problem-solving, builder mentality (side projects/hackathons), ownership mindset
Nice to Have: Pydantic, FastAPI, statistical forecasting, PostgreSQL/SQL, scikit-learn, food-tech/loyalty domain interest
We are seeking an experienced and highly skilled Backend Java Engineer to join our team.
The ideal candidate will have strong expertise in Core Java, Spring Boot, Microservices, and building high-performance, scalable backend applications.
Responsibilities
- Develop, test, and deploy scalable and robust backend services using Java, Spring Boot, and Spring Framework.
- Design and implement RESTful APIs for seamless integrations.
- Contribute to architectural decisions involving microservices, APIs, and cloud-based solutions.
- Write clean, efficient, and reusable code following coding standards and best practices.
- Optimize application performance and participate in debugging and troubleshooting sessions.
- Collaborate with architects, product managers, and QA engineers to deliver high-quality releases.
- Conduct peer code reviews and ensure adherence to engineering best practices.
- Mentor junior engineers and support their technical growth where required.
Skills & Requirements
- Minimum 2 years of hands-on backend development experience.
- Strong proficiency in:
- Core Java / Java 8
- Spring Boot, Spring Framework
- Microservices architecture
- REST APIs
- Experience with:
- Kafka (preferred)
- MySQL or other relational databases
- Batch processing, application performance tuning, caching strategies
- Web security / application security
- Solid understanding of software design principles and scalable system design.
Preferred
- Male candidates preferred (client-mentioned requirement).
- Experience working in fintech, payments, or high-scale production environments

Core Focus:
- Operate with a full DevOps mindset, owning the software lifecycle from development through production support.
- Participate in Agile ceremonies and global team collaboration, including on-call support.
Mandatory/Strong Technical Skills (6–8+ years of relevant experience required):
- Java: 4.5 to 6.5 years experience
- AWS: Strong knowledge and working experience with Cloud technologies minimum 2 years.
- Kafka: 2 years of Strong knowledge and working experience with data integration technologies
- Databases: Experience with SQL/NoSQL databases (e.g., Postgres, MongoDB).
Other Key Technologies & Practices:
- Python, Spring Boot, and API-based system design.
- Containers/Orchestration (Kubernetes).
- CI/CD tools (Gitlab, Splunk, Datadog).
- Familiarity with Terraform and Airflow.
- Experience in Agile methodology (Jira, Confluence).
.Net Core is preferred along with SQL or very strong .Net developer with SQL
The job requires the resource to do documentation, SQL support, development with .Net,integration,interaction with end user- mix of all activities
Job Description
Title:- Backend Developer
About us:-
If you think back to your school or college days, the best memories you have are those with your friends! Your first day in college, your best friend, your dorms, hanging in the corridors, your school canteen, all nighters before exams & chilling for weeks after exams - our school lives are filled with so many awesome interactions, experiences & memories. In each of them you’re with a friend, never alone! Humans always have, and will always continue to learn from one another. We are a social learning platform that allows us to learn the way we learn best – socially
It is a network of after-school learning centres meant for inspiration, collaboration, and holistic growth. We encourage children to explore what works best for them. It is our belief that every child deserves the space and opportunity to explore & create. Learning happens best in person, but there is an opportunity to make this experience 10X via modern centres, technology, and powerful communities! We're a mission driven organisation trying to build a network of such learning centres and with empowered teachers in every neighbourhood of our country!
Responsibilities :-
We are looking for a Python(Django) Web Developer responsible for managing the interchange of data between the server and the users. Writing reusable, testable, and efficient code. Design and implementation of low-latency, high-availability, and performance applications. Expert in Python, with good knowledge of Python web framework Django. Understanding of fundamental design principles behind a scalable application.
Skills:- Python, Django, Websockets, storage systems
- Strong first principles
- Hustle! We're young, lean, and in our early days. You'd have to set up your own shop, work with design customers to find generalizable use cases, and build them out.
- Ability to collaborate with cross-functional teams to build and ship new features
- At least 2-6 years of experience with primary exp in Python
- Must have skills - Flask / Django, RESTful Web Services, Database SQL / NoSQL
- The preferred Location is Bangalore but is also flexible with PAN India.
- Would require candidates from Tier 1 & 2 Companies or Tier 1 & 2 Colleges preferably.
- Proficient experience of back-end programming language - Python
- The preferred Location is Bangalore but is also flexible with PAN India.
- Would require candidates from Tier 1 & 2 Companies or Tier 1 & 2 Colleges preferably.
Ideal candidate must have :
- 2+ years of experience in writing code
- Ability to meet tight deadlines
- Can work independently and be a team contributor
- Must have good knowledge of Node, Python and Scripting languages
- Experience in one or more of RDBMS - PostgreSQL, MySQL or Oracle
- Experience with NoSQL and real-time DB - Firebase/Firestore or MongoDB
- Must be able to write concise and high-quality API
- Must be a quick learner, curious and ambitious









